This study investigates how an interviewer's characteristics affect how respondents answer survey questions about democracy and political engagement. I analyze data from the 2008 Afrobarometer surveys, in which 810 interviewers surveyed 27,713 respondents across 20 countries in sub-Saharan Africa. Using these data, I study how interviewer…

Survey researchers are increasingly concerned that the presence of other people (bystanders) may affect data quality in structured, face-to-face survey interviews. In this article, we study bystanders using data from 15,309 face-to-face surveys about technology from Ghana, Nigeria, Uganda, Brazil and Guatemala. Our analysis (1) describes the…